Q: What is the sum of all factors of the number 42,378,780 excluding 42,378,780?

Why is 76,281,972 the sum of all factors of 42,378,780, excluding 42,378,780?

The factors of the number 42,378,780 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 706313, 1412626, 2118939, 2825252, 3531565, 4237878, 7063130, 8475756, 10594695, 14126260, 21189390, 42378780.

If you add them up, you will get the total of 42,378,856. Now subtract 42,378,780 to get 76,281,972

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